The 2014 My Heart Challenge: Play at Home Edition has reached week eight, and one of the 25 contestants has seen some real benefits from participating in the nearly completed two-month challenge. Read about Jeremy's decision to stop drinking soda pop and the ways that simple change has impacted his health.

We've all been there. You've dedicated yourself to improving your health and things are going great. Until you hit the proverbial wall that you just can't seem to get through. Maybe it's a weight goal that you just can't reach, or a run that you just can't do fast enough. Some of the My Heart Challenge: Play at Home Edition contestants share their advice on how to get over the wall and not give up on better health.

Maureen is one of the 25 contestants fighting to win the 2014 My Heart Challenge: Play at Home Edition, but also to win better health. During the past few months, Maureen has been working to improve her heart health and recently signed up for her first triathlon. Read why she signed up and the challenges she will face in swimming, biking and running her way to the finish line.

As the My Heart Challenge: Play at Home Edition continues, many of the contestants have shared some of their successes as well as their challenges. Kelly offers a brief glimpse into the challenges she has faced, including the infamous plateau that many people hit at some point... and how she keeps going and stays motivated.